Amplitude vs Weaviate: Full Comparison (2026)
Pricing, features, scores, and a clear verdict on which one is right for you.
The bottom line
Amplitude positions itself as "product analytics for digital teams" while Weaviate goes after "the ai-native vector database" — so the right pick depends on which problem you're actually solving. Both use freemium pricing, but Amplitude charges per mtu while Weaviate charges per cluster — a meaningful difference for larger teams. Amplitude (founded 2012) has had more time to build out its ecosystem and integrations, while Weaviate (2019) tends to move faster on modern UX and newer workflows.
At a glance
| Amplitude | Weaviate | |
|---|---|---|
| Our score | 82/100 | 83/100 |
| Starting price | Free | Free |
| Free tier | Yes | Yes |
| Best for | Product analytics for digital teams | The AI-native vector database |
Pricing comparison
Calculate your cost
Feature comparison
core
| Feature | Amplitude | Weaviate |
|---|---|---|
| Funnel analysis | Yes | No |
| Retention analysis | Yes | No |
| Behavioral cohorts | Plus+ | No |
| Session replay | Add-on | No |
| Dashboards | Yes | No |
| Vector search | No | Yes |
| Hybrid search | No | Yes |
| Multi-modal | No | Yes |
| GraphQL API | No | Yes |
| REST API | No | Yes |
Ratings breakdown
What the data tells us
Key capabilities you'd miss
Choosing Amplitude means going without Vector search, Hybrid search, Multi-modal (which Weaviate offers). Choosing Weaviate means losing Funnel analysis, Retention analysis, Behavioral cohorts. These are the features that typically drive the final decision — check whether your workflow depends on any of them before committing.
What company size tells you
Weaviate (51-200 employees) has the engineering bench to ship features across many fronts but may iterate slower on individual requests. Amplitude (1,000+ employees) typically ships faster on its core product but may lag on peripheral features. Consider which matters more for your roadmap.
Plan flexibility
Amplitude offers 4 tiers, giving you finer control over what you pay for at each growth stage. Weaviate's 2-tier structure is simpler to evaluate but may force you into a higher plan sooner for features you need.
Choose Amplitude if...
- You want a free tier to get started
- You value powerful features over simplicity
- You need enterprise-grade capabilities
Choose Weaviate if...
- You want a free tier to get started
- You value powerful features over simplicity
- Getting strong value for money is a priority
Frequently asked questions
Is Amplitude or Weaviate better?
Weaviate scores 83/100 compared to Amplitude's 82/100 on VendorVS. However, the best choice depends on your needs — Amplitude excels at ease of use (7/10) while Weaviate scores 7/10.
How much does Amplitude cost compared to Weaviate?
Amplitude starts at free (free tier available). Weaviate starts at free (free tier available). Amplitude is the more affordable option.
Does Amplitude or Weaviate have a free plan?
Yes, both Amplitude and Weaviate offer free tiers, so you can try each before committing to a paid plan.
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